Add double confirm with start empty scan.

src/forms/settings/SystemCorrectionForm.cpp

@@ -1,6 +1,7 @@
 #include "SystemCorrectionForm.h"
 #include "db/SQLHelper.h"
 #include "event/EventCenter.h"
+#include "dialogs/DialogManager.h"
 
 #include <QVBoxLayout>
 #include <QLabel>
@@ -92,6 +93,11 @@ void SystemCorrectionForm::init()
 
     connect(emptyScanButton, &QPushButton::clicked, []()
     {
+        int result = DialogManager::Default()->requestAlertMessage(tr("Please make sure the holder is only contain water!"),DialogButtonMode::OkAndCancel,tr("Confirm Scan"));
+        if (result != QDialog::Accepted)
+        {
+            return;
+        }
         QString null;
         EventCenter::Default()->triggerEvent(RequestEmptyScan, nullptr, (QObject*)&null);
     });